IP Library › Granted Patent US 5,972,670
Granted Patent Utility
US 5,972,670 · App. 09/005,397

Blue copper oxidase mutants with enhanced activity

Inventors: Xu Feng, Randy Berka, Jill Angela Wahleithner
Patented Case View Patent ↗
Granted: Oct 26, 1999 Filed: Jan 9, 1998
Inventors
Xu Feng
Randy Berka
Jill Angela Wahleithner

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,972,670
App. No.
09/005,397
Filed
1998-01-09
Granted
1999-10-26
Kind
A